Consider the two arithmetic progressions:
A: 3, 8, 13, …
B: 4, 7, 10, …
With reference to the term 28, which of the following statements is true?
a) 28 occurs in both A and B and appears earlier in B
b) 28 occurs only in A
c) 28 occurs in both A and B and appears earlier in A
d) 28 does not occur in either A or B